Mainboard, MSI, AMD B550, Socket AM4, ATX, RAM DDR4-SDRAM, 4xSlots, On-board graphics card Yes, 2xNumber of M.2 (M) slots, PROB550-S

AMD B550 | ATX | Audio 7.1 channels | CPU AMD | Socket Socket AM4 | Supported memory types DDR4-SDRAM | 4xNumber of memory slots | Memory slots type DIMM | Supported storage drive interfaces M.2,Micro SATA III | On-board graphics card Yes | 4xUSB 2.0 ports quantity | 2xUSB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1xUSB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1xUSB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1xEthernet LAN (RJ-45) ports | 1xHDMI ports quantity

Warranty and RMA handling is provided by DELTA IT — you never have to contact the manufacturer or distributor separately.